the church is on the top of the moutain put the book on top of others

问题描述:

the church is on the top of the moutain put the book on top of others
the church is on the top of the moutain
put the book on top of others
为什么一个是 on the top of 另一个是 on top of

因为on the top of是在某物本身的顶端,
而on top of 是说在其他事物的顶端
类似的还有on the front of 和on front of